Khan/khan-exercises — Issue #7620: Point slope form - for m=0 x1 can be any value
Author: KhanBugz
Created: 2011-12-02 21:53:25+00:00
State: open
Labels: chrome, snowleo, wrong-or-unclear

Reporter: bob.thorson@nscee.edu

the exercises should not ask for the solution to a slope = 0 problem and tell the student they are wrong based on the value of x1

[point_slope_form.html?seed=97&problem=y-as-function-of-x](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/point_slope_form.html?seed=97&problem=y-as-function-of-x&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/point_slope_form.html?seed=97&problem=y-as-function-of-x&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5B%5B%5C%22-5%5C%22%2C%5C%220%5C%22%2C%5C%220%5C%22%5D%5D%22%2C207%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%2C%5B%22hint-activity%22%2C%220%22%2C0%5D%5D)

[[["-5","0","0"]]]

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/535.2 (KHTML, like Gecko) Chrome/15.0.874.121 Safari/535.2

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